| 1 |
/* |
| 2 |
* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). |
| 3 |
* |
| 4 |
* Copyright (C) 1996-2002 by Andrew Church <achurch@achurch.org> |
| 5 |
* Copyright (C) 2012 by the Hybrid Development Team. |
| 6 |
* |
| 7 |
* This program is free software; you can redistribute it and/or modify |
| 8 |
* it under the terms of the GNU General Public License as published by |
| 9 |
* the Free Software Foundation; either version 2 of the License, or |
| 10 |
* (at your option) any later version. |
| 11 |
* |
| 12 |
* This program is distributed in the hope that it will be useful, |
| 13 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 |
* GNU General Public License for more details. |
| 16 |
* |
| 17 |
* You should have received a copy of the GNU General Public License |
| 18 |
* along with this program; if not, write to the Free Software |
| 19 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| 20 |
* USA |
| 21 |
*/ |
| 22 |
|
| 23 |
/*! \file conf_db.c |
| 24 |
* \brief Includes file utilities for database handling |
| 25 |
* \version $Id: conf_db.c 1569 2012-10-16 18:46:53Z michael $ |
| 26 |
*/ |
| 27 |
|
| 28 |
#include "stdinc.h" |
| 29 |
#include "conf_db.h" |
| 30 |
#include "memory.h" |
| 31 |
#include "client.h" |
| 32 |
#include "log.h" |
| 33 |
#include "send.h" |
| 34 |
#include "irc_string.h" |
| 35 |
|
| 36 |
|
| 37 |
/*! \brief Return the version number on the file. Return 0 if there is no version |
| 38 |
* number or the number doesn't make sense (i.e. less than 1 or greater |
| 39 |
* than FILE_VERSION). |
| 40 |
* |
| 41 |
* \param f dbFile Struct Member |
| 42 |
* \return int 0 if failure, 1 > is the version number |
| 43 |
*/ |
| 44 |
uint32_t |
| 45 |
get_file_version(struct dbFILE *f) |
| 46 |
{ |
| 47 |
uint32_t version = 0; |
| 48 |
|
| 49 |
if (read_uint32(&version, f) == -1) |
| 50 |
{ |
| 51 |
ilog(LOG_TYPE_IRCD, "Error reading version number on %s: %s", |
| 52 |
f->filename, strerror(errno)); |
| 53 |
return 0; |
| 54 |
} |
| 55 |
|
| 56 |
if (version < 1) |
| 57 |
{ |
| 58 |
ilog(LOG_TYPE_IRCD, "Invalid version number (%u) on %s", |
| 59 |
version, f->filename); |
| 60 |
return 0; |
| 61 |
} |
| 62 |
|
| 63 |
return version; |
| 64 |
} |
| 65 |
|
| 66 |
/*! \brief Write the current version number to the file. |
| 67 |
* \param f dbFile Struct Member |
| 68 |
* \return 0 on error, 1 on success. |
| 69 |
*/ |
| 70 |
int |
| 71 |
write_file_version(struct dbFILE *f, uint32_t version) |
| 72 |
{ |
| 73 |
if (write_uint32(version, f) == -1) |
| 74 |
{ |
| 75 |
ilog(LOG_TYPE_IRCD, "Error writing version number on %s", |
| 76 |
f->filename); |
| 77 |
return 0; |
| 78 |
} |
| 79 |
|
| 80 |
return 1; |
| 81 |
} |
| 82 |
|
| 83 |
/*! \brief Open the database for reading |
| 84 |
* \param service If error whom to return the error as |
| 85 |
* \param filename File to open as the database |
| 86 |
* \return dbFile struct |
| 87 |
*/ |
| 88 |
static struct dbFILE * |
| 89 |
open_db_read(const char *service, const char *filename) |
| 90 |
{ |
| 91 |
struct dbFILE *f = MyMalloc(sizeof(*f)); |
| 92 |
FILE *fp = NULL; |
| 93 |
|
| 94 |
strlcpy(f->filename, filename, sizeof(f->filename)); |
| 95 |
|
| 96 |
f->mode = 'r'; |
| 97 |
fp = fopen(f->filename, "rb"); |
| 98 |
|
| 99 |
if (!fp) |
| 100 |
{ |
| 101 |
int errno_save = errno; |
| 102 |
|
| 103 |
if (errno != ENOENT) |
| 104 |
ilog(LOG_TYPE_IRCD, "Can not read %s database %s", service, |
| 105 |
f->filename); |
| 106 |
|
| 107 |
MyFree(f); |
| 108 |
errno = errno_save; |
| 109 |
return NULL; |
| 110 |
} |
| 111 |
|
| 112 |
f->fp = fp; |
| 113 |
f->backupfp = NULL; |
| 114 |
|
| 115 |
return f; |
| 116 |
} |
| 117 |
|
| 118 |
/*! \brief Open the database for writting |
| 119 |
* \param service If error whom to return the error as |
| 120 |
* \param filename File to open as the database |
| 121 |
* \param version Database Version |
| 122 |
* \return dbFile struct |
| 123 |
*/ |
| 124 |
static struct dbFILE * |
| 125 |
open_db_write(const char *service, const char *filename, |
| 126 |
uint32_t version) |
| 127 |
{ |
| 128 |
struct dbFILE *f = MyMalloc(sizeof(*f)); |
| 129 |
int fd = 0; |
| 130 |
|
| 131 |
strlcpy(f->filename, filename, sizeof(f->filename)); |
| 132 |
|
| 133 |
filename = f->filename; |
| 134 |
f->mode = 'w'; |
| 135 |
|
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snprintf(f->backupname, sizeof(f->backupname), "%s.save", filename); |
| 137 |
|
| 138 |
if (!*f->backupname || !strcmp(f->backupname, filename)) |
| 139 |
{ |
| 140 |
int errno_save = errno; |
| 141 |
|
| 142 |
ilog(LOG_TYPE_IRCD, "Opening %s database %s for write: Filename too long", |
| 143 |
service, filename); |
| 144 |
MyFree(f); |
| 145 |
errno = errno_save; |
| 146 |
return NULL; |
| 147 |
} |
| 148 |
|
| 149 |
unlink(filename); |
| 150 |
|
| 151 |
f->backupfp = fopen(filename, "rb"); |
| 152 |
|
| 153 |
if (rename(filename, f->backupname) < 0 && errno != ENOENT) |
| 154 |
{ |
| 155 |
int errno_save = errno; |
| 156 |
static int walloped = 0; |
| 157 |
|
| 158 |
if (!walloped++) |
| 159 |
sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, |
| 160 |
"Can not back up %s database %s", |
| 161 |
service, filename); |
| 162 |
|
| 163 |
errno = errno_save; |
| 164 |
ilog(LOG_TYPE_IRCD, "Can not back up %s database %s", service, filename); |
| 165 |
|
| 166 |
if (f->backupfp) |
| 167 |
fclose(f->backupfp); |
| 168 |
|
| 169 |
MyFree(f); |
| 170 |
errno = errno_save; |
| 171 |
return NULL; |
| 172 |
} |
| 173 |
|
| 174 |
unlink(filename); |
| 175 |
|
| 176 |
/* Use open() to avoid people sneaking a new file in under us */ |
| 177 |
fd = open(filename, O_WRONLY | O_CREAT | O_EXCL, 0666); |
| 178 |
f->fp = fdopen(fd, "wb"); /* will fail and return NULL if fd < 0 */ |
| 179 |
|
| 180 |
if (!f->fp || !write_file_version(f, version)) |
| 181 |
{ |
| 182 |
int errno_save = errno; |
| 183 |
static int walloped = 0; |
| 184 |
|
| 185 |
if (!walloped++) |
| 186 |
sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, |
| 187 |
"Can't write to %s database %s", |
| 188 |
service, filename); |
| 189 |
|
| 190 |
errno = errno_save; |
| 191 |
ilog(LOG_TYPE_IRCD, "Can't write to %s database %s", |
| 192 |
service, filename); |
| 193 |
|
| 194 |
if (f->fp) |
| 195 |
{ |
| 196 |
fclose(f->fp); |
| 197 |
unlink(filename); |
| 198 |
} |
| 199 |
|
| 200 |
if (f->backupname[0] && rename(f->backupname, filename) < 0) |
| 201 |
ilog(LOG_TYPE_IRCD, "Cannot restore backup copy of %s", |
| 202 |
filename); |
| 203 |
|
| 204 |
MyFree(f); |
| 205 |
errno = errno_save; |
| 206 |
return NULL; |
| 207 |
} |
| 208 |
|
| 209 |
return f; |
| 210 |
} |
| 211 |
|
| 212 |
/*! \brief Open a database file for reading (*mode == 'r') or writing (*mode == 'w'). |
| 213 |
* Return the stream pointer, or NULL on error. When opening for write, it |
| 214 |
* is an error for rename() to return an error (when backing up the original |
| 215 |
* file) other than ENOENT, if NO_BACKUP_OKAY is not defined; it is an error |
| 216 |
* if the version number cannot be written to the file; and it is a fatal |
| 217 |
* error if opening the file for write fails and the backup was successfully |
| 218 |
* made but cannot be restored. |
| 219 |
* |
| 220 |
* \param service If error whom to return the error as |
| 221 |
* \param filename File to open as the database |
| 222 |
* \param mode Mode for writting or reading |
| 223 |
* \param version Database Version |
| 224 |
* \return dbFile struct |
| 225 |
*/ |
| 226 |
struct dbFILE * |
| 227 |
open_db(const char *service, const char *filename, |
| 228 |
const char *mode, uint32_t version) |
| 229 |
{ |
| 230 |
switch (*mode) |
| 231 |
{ |
| 232 |
case 'r': |
| 233 |
return open_db_read(service, filename); |
| 234 |
break; |
| 235 |
case 'w': |
| 236 |
return open_db_write(service, filename, version); |
| 237 |
break; |
| 238 |
default: |
| 239 |
errno = EINVAL; |
| 240 |
return NULL; |
| 241 |
} |
| 242 |
} |
| 243 |
|
| 244 |
/*! \brief Restore the database file to its condition before open_db(). This is |
| 245 |
* identical to close_db() for files open for reading; however, for files |
| 246 |
* open for writing, we first attempt to restore any backup file before |
| 247 |
* closing files. |
| 248 |
* |
| 249 |
* \param dbFile struct |
| 250 |
*/ |
| 251 |
void |
| 252 |
restore_db(struct dbFILE *f) |
| 253 |
{ |
| 254 |
int errno_save = errno; |
| 255 |
|
| 256 |
if (f->mode == 'w') |
| 257 |
{ |
| 258 |
int ok = 0; /* Did we manage to restore the old file? */ |
| 259 |
|
| 260 |
errno = errno_save = 0; |
| 261 |
|
| 262 |
if (f->backupname[0] && strcmp(f->backupname, f->filename)) |
| 263 |
if (rename(f->backupname, f->filename) == 0) |
| 264 |
ok = 1; |
| 265 |
|
| 266 |
if (!ok && f->backupfp) |
| 267 |
{ |
| 268 |
char buf[1024]; |
| 269 |
size_t i; |
| 270 |
|
| 271 |
ok = fseek(f->fp, 0, SEEK_SET) == 0; |
| 272 |
|
| 273 |
while (ok && (i = fread(buf, 1, sizeof(buf), f->backupfp)) > 0) |
| 274 |
if (fwrite(buf, 1, i, f->fp) != i) |
| 275 |
ok = 0; |
| 276 |
|
| 277 |
if (ok) |
| 278 |
{ |
| 279 |
fflush(f->fp); |
| 280 |
ftruncate(fileno(f->fp), ftell(f->fp)); |
| 281 |
} |
| 282 |
} |
| 283 |
|
| 284 |
if (!ok && errno > 0) |
| 285 |
ilog(LOG_TYPE_IRCD, "Unable to restore backup of %s", f->filename); |
| 286 |
|
| 287 |
errno_save = errno; |
| 288 |
|
| 289 |
if (f->backupfp) |
| 290 |
fclose(f->backupfp); |
| 291 |
if (f->backupname[0]) |
| 292 |
unlink(f->backupname); |
| 293 |
} |
| 294 |
|
| 295 |
fclose(f->fp); |
| 296 |
|
| 297 |
if (!errno_save) |
| 298 |
errno_save = errno; |
| 299 |
|
| 300 |
MyFree(f); |
| 301 |
errno = errno_save; |
| 302 |
} |
| 303 |
|
| 304 |
/*! \brief Close a database file. If the file was opened for write, remove the |
| 305 |
* backup we (may have) created earlier. |
| 306 |
* |
| 307 |
* \param dbFile struct |
| 308 |
*/ |
| 309 |
void |
| 310 |
close_db(struct dbFILE *f) |
| 311 |
{ |
| 312 |
if (f->mode == 'w' && f->backupname[0] && |
| 313 |
strcmp(f->backupname, f->filename)) |
| 314 |
{ |
| 315 |
if (f->backupfp) |
| 316 |
fclose(f->backupfp); |
| 317 |
|
| 318 |
unlink(f->backupname); |
| 319 |
} |
| 320 |
|
| 321 |
fclose(f->fp); |
| 322 |
MyFree(f); |
| 323 |
} |
| 324 |
|
| 325 |
/* |
| 326 |
* Read and write 2-, 4- and 8-byte quantities, pointers, and strings. All |
| 327 |
* multibyte values are stored in big-endian order (most significant byte |
| 328 |
* first). A pointer is stored as a byte, either 0 if NULL or 1 if not, |
| 329 |
* and read pointers are returned as either (void *)0 or (void *)1. A |
| 330 |
* string is stored with a 2-byte unsigned length (including the trailing |
| 331 |
* \0) first; a length of 0 indicates that the string pointer is NULL. |
| 332 |
* Written strings are truncated silently at 65534 bytes, and are always |
| 333 |
* null-terminated. |
| 334 |
*/ |
| 335 |
|
| 336 |
/*! \brief Read a unsigned 8bit integer |
| 337 |
* |
| 338 |
* \param ret 8bit integer to read |
| 339 |
* \param dbFile struct |
| 340 |
* \return -1 on error, 0 otherwise. |
| 341 |
*/ |
| 342 |
int |
| 343 |
read_uint8(unsigned char *ret, struct dbFILE *f) |
| 344 |
{ |
| 345 |
int c = fgetc(f->fp); |
| 346 |
|
| 347 |
if (c == EOF) |
| 348 |
return -1; |
| 349 |
|
| 350 |
*ret = c; |
| 351 |
return 0; |
| 352 |
} |
| 353 |
|
| 354 |
/*! \brief Write a 8bit integer |
| 355 |
* |
| 356 |
* \param ret 8bit integer to write |
| 357 |
* \param dbFile struct |
| 358 |
* \return -1 on error, 0 otherwise. |
| 359 |
*/ |
| 360 |
int |
| 361 |
write_uint8(unsigned char val, struct dbFILE *f) |
| 362 |
{ |
| 363 |
if (fputc(val, f->fp) == EOF) |
| 364 |
return -1; |
| 365 |
|
| 366 |
return 0; |
| 367 |
} |
| 368 |
|
| 369 |
/*! \brief Read a unsigned 8bit integer |
| 370 |
* |
| 371 |
* \param ret 8bit integer to read |
| 372 |
* \param dbFile struct |
| 373 |
* \return -1 on error, 0 otherwise. |
| 374 |
*/ |
| 375 |
int |
| 376 |
read_uint16(uint16_t *ret, struct dbFILE *f) |
| 377 |
{ |
| 378 |
int c1 = fgetc(f->fp); |
| 379 |
int c2 = fgetc(f->fp); |
| 380 |
|
| 381 |
if (c1 == EOF || c2 == EOF) |
| 382 |
return -1; |
| 383 |
|
| 384 |
*ret = c1 << 8 | c2; |
| 385 |
return 0; |
| 386 |
} |
| 387 |
|
| 388 |
/*! \brief Write a unsigned 16bit integer |
| 389 |
* |
| 390 |
* \param ret 16bit integer to write |
| 391 |
* \param dbFile struct |
| 392 |
* \return -1 on error, 0 otherwise. |
| 393 |
*/ |
| 394 |
int |
| 395 |
write_uint16(uint16_t val, struct dbFILE *f) |
| 396 |
{ |
| 397 |
if (fputc((val >> 8) & 0xFF, f->fp) == EOF || |
| 398 |
fputc(val & 0xFF, f->fp) == EOF) |
| 399 |
return -1; |
| 400 |
|
| 401 |
return 0; |
| 402 |
} |
| 403 |
|
| 404 |
/*! \brief Read a unsigned 32bit integer |
| 405 |
* |
| 406 |
* \param ret unsigned 32bit integer to read |
| 407 |
* \param dbFile struct |
| 408 |
* \return -1 on error, 0 otherwise. |
| 409 |
*/ |
| 410 |
int |
| 411 |
read_uint32(uint32_t *ret, struct dbFILE *f) |
| 412 |
{ |
| 413 |
int c1 = fgetc(f->fp); |
| 414 |
int c2 = fgetc(f->fp); |
| 415 |
int c3 = fgetc(f->fp); |
| 416 |
int c4 = fgetc(f->fp); |
| 417 |
|
| 418 |
if (c1 == EOF || c2 == EOF || c3 == EOF || c4 == EOF) |
| 419 |
return -1; |
| 420 |
|
| 421 |
*ret = c1 << 24 | c2 << 16 | c3 << 8 | c4; |
| 422 |
return 0; |
| 423 |
} |
| 424 |
|
| 425 |
|
| 426 |
/*! \brief Write a unsigned 32bit integer |
| 427 |
* |
| 428 |
* \param ret unsigned 32bit integer to write |
| 429 |
* \param dbFile struct |
| 430 |
* \return -1 on error, 0 otherwise. |
| 431 |
*/ |
| 432 |
int |
| 433 |
write_uint32(uint32_t val, struct dbFILE *f) |
| 434 |
{ |
| 435 |
if (fputc((val >> 24) & 0xFF, f->fp) == EOF) |
| 436 |
return -1; |
| 437 |
if (fputc((val >> 16) & 0xFF, f->fp) == EOF) |
| 438 |
return -1; |
| 439 |
if (fputc((val >> 8) & 0xFF, f->fp) == EOF) |
| 440 |
return -1; |
| 441 |
if (fputc((val) & 0xFF, f->fp) == EOF) |
| 442 |
return -1; |
| 443 |
return 0; |
| 444 |
} |
| 445 |
|
| 446 |
/*! \brief Read a unsigned 64bit integer |
| 447 |
* |
| 448 |
* \param ret unsigned 64bit integer to read |
| 449 |
* \param dbFile struct |
| 450 |
* \return -1 on error, 0 otherwise. |
| 451 |
*/ |
| 452 |
int |
| 453 |
read_uint64(uint64_t *ret, struct dbFILE *f) |
| 454 |
{ |
| 455 |
int64_t c1 = fgetc(f->fp); |
| 456 |
int64_t c2 = fgetc(f->fp); |
| 457 |
int64_t c3 = fgetc(f->fp); |
| 458 |
int64_t c4 = fgetc(f->fp); |
| 459 |
int64_t c5 = fgetc(f->fp); |
| 460 |
int64_t c6 = fgetc(f->fp); |
| 461 |
int64_t c7 = fgetc(f->fp); |
| 462 |
int64_t c8 = fgetc(f->fp); |
| 463 |
|
| 464 |
if (c1 == EOF || c2 == EOF || c3 == EOF || c4 == EOF || |
| 465 |
c5 == EOF || c6 == EOF || c7 == EOF || c8 == EOF) |
| 466 |
return -1; |
| 467 |
|
| 468 |
*ret = c1 << 56 | c2 << 48 | c3 << 40 | c4 << 32 | |
| 469 |
c5 << 24 | c6 << 16 | c7 << 8 | c8; |
| 470 |
return 0; |
| 471 |
} |
| 472 |
|
| 473 |
|
| 474 |
/*! \brief Write a unsigned 64bit integer |
| 475 |
* |
| 476 |
* \param ret unsigned 64bit integer to write |
| 477 |
* \param dbFile struct |
| 478 |
* \return -1 on error, 0 otherwise. |
| 479 |
*/ |
| 480 |
int |
| 481 |
write_uint64(uint64_t val, struct dbFILE *f) |
| 482 |
{ |
| 483 |
if (fputc((val >> 56) & 0xFF, f->fp) == EOF) |
| 484 |
return -1; |
| 485 |
if (fputc((val >> 48) & 0xFF, f->fp) == EOF) |
| 486 |
return -1; |
| 487 |
if (fputc((val >> 40) & 0xFF, f->fp) == EOF) |
| 488 |
return -1; |
| 489 |
if (fputc((val >> 32) & 0xFF, f->fp) == EOF) |
| 490 |
return -1; |
| 491 |
if (fputc((val >> 24) & 0xFF, f->fp) == EOF) |
| 492 |
return -1; |
| 493 |
if (fputc((val >> 16) & 0xFF, f->fp) == EOF) |
| 494 |
return -1; |
| 495 |
if (fputc((val >> 8) & 0xFF, f->fp) == EOF) |
| 496 |
return -1; |
| 497 |
if (fputc((val) & 0xFF, f->fp) == EOF) |
| 498 |
return -1; |
| 499 |
return 0; |
| 500 |
} |
| 501 |
|
| 502 |
/*! \brief Read Pointer |
| 503 |
* |
| 504 |
* \param ret pointer to read |
| 505 |
* \param dbFile struct |
| 506 |
* \return -1 on error, 0 otherwise. |
| 507 |
*/ |
| 508 |
int |
| 509 |
read_ptr(void **ret, struct dbFILE *f) |
| 510 |
{ |
| 511 |
int c = fgetc(f->fp); |
| 512 |
|
| 513 |
if (c == EOF) |
| 514 |
return -1; |
| 515 |
|
| 516 |
*ret = (c ? (void *)1 : (void *)0); |
| 517 |
return 0; |
| 518 |
} |
| 519 |
|
| 520 |
|
| 521 |
/*! \brief Write Pointer |
| 522 |
* |
| 523 |
* \param ret pointer to write |
| 524 |
* \param dbFile struct |
| 525 |
* \return -1 on error, 0 otherwise. |
| 526 |
*/ |
| 527 |
int |
| 528 |
write_ptr(const void *ptr, struct dbFILE *f) |
| 529 |
{ |
| 530 |
if (fputc(ptr ? 1 : 0, f->fp) == EOF) |
| 531 |
return -1; |
| 532 |
return 0; |
| 533 |
} |
| 534 |
|
| 535 |
/*! \brief Read String |
| 536 |
* |
| 537 |
* \param ret string |
| 538 |
* \param dbFile struct |
| 539 |
* \return -1 on error, 0 otherwise. |
| 540 |
*/ |
| 541 |
int |
| 542 |
read_string(char **ret, struct dbFILE *f) |
| 543 |
{ |
| 544 |
char *s = NULL; |
| 545 |
uint16_t len = 0; |
| 546 |
|
| 547 |
if (read_uint16(&len, f) < 0) |
| 548 |
return -1; |
| 549 |
|
| 550 |
if (len == 0) |
| 551 |
{ |
| 552 |
*ret = NULL; |
| 553 |
return 0; |
| 554 |
} |
| 555 |
|
| 556 |
s = MyMalloc(len); |
| 557 |
|
| 558 |
if (len != fread(s, 1, len, f->fp)) |
| 559 |
{ |
| 560 |
MyFree(s); |
| 561 |
return -1; |
| 562 |
} |
| 563 |
|
| 564 |
*ret = s; |
| 565 |
return 0; |
| 566 |
} |
| 567 |
|
| 568 |
/*! \brief Write String |
| 569 |
* |
| 570 |
* \param ret string |
| 571 |
* \param dbFile struct |
| 572 |
* \return -1 on error, 0 otherwise. |
| 573 |
*/ |
| 574 |
int |
| 575 |
write_string(const char *s, struct dbFILE *f) |
| 576 |
{ |
| 577 |
uint32_t len = 0; |
| 578 |
|
| 579 |
if (!s) |
| 580 |
return write_uint16(0, f); |
| 581 |
|
| 582 |
len = strlen(s); |
| 583 |
|
| 584 |
if (len > 65534) |
| 585 |
len = 65534; |
| 586 |
if (write_uint16((uint16_t)(len + 1), f) < 0) |
| 587 |
return -1; |
| 588 |
if (len > 0 && fwrite(s, 1, len, f->fp) != len) |
| 589 |
return -1; |
| 590 |
if (fputc(0, f->fp) == EOF) |
| 591 |
return -1; |
| 592 |
|
| 593 |
return 0; |
| 594 |
} |
